include/elf/ChangeLog:

Introduce TLS descriptors for i386 and x86_64.
* common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New.
* i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC):
New.
* x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL,
R_X86_64_TLSDESC): New.
bfd/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* reloc.c (BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC,
BFD_RELOC_386_TLS_DESC_CALL, BFD_RELOC_X86_64_GOTPC32_TLSDESC,
BFD_RELOC_X86_64_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL): New.
* libbfd.h, bfd-in2.h: Rebuilt.
* elf32-i386.c (elf_howto_table): New relocations.
(R_386_tls): Adjust.
(elf_i386_reloc_type_lookup): Map new relocations.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf_i386_link_hash_entry): Add tlsdesc_got field.
(struct elf_i386_obj_tdata): Add local_tlsdesc_gotent field.
(elf_i386_local_tlsdesc_gotent): New macro.
(struct elf_i386_link_hash_table): Add sgotplt_jump_table_size.
(elf_i386_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf_i386_link_hash_table_create): Set sgotplt_jump_table_size.
(elf_i386_tls_transition): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_check_relocs): Likewise.  Allocate space for
local_tlsdesc_gotent.
(elf_i386_gc_sweep_hook): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(allocate_dynrelocs): Count function PLT relocations.  Reserve
space for TLS descriptors and relocations.
(elf_i386_size_dynamic_sections): Reserve space for TLS
descriptors and relocations.  Set up sgotplt_jump_table_size.
Don't zero reloc_count in srelplt.
(elf_i386_always_size_sections): New.  Set up _TLS_MODULE_BASE_.
(elf_i386_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf_i386_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf_backend_always_size_sections): Define.
* elf64-x86-64.c (x86_64_elf_howto): Add R_X86_64_GOTPC32_TLSDESC,
R_X86_64_TLSDESC, R_X86_64_TLSDESC_CALL.
(R_X86_64_standard): Adjust.
(x86_64_reloc_map): Map new relocs.
(elf64_x86_64_rtype_to_howto): New, split out of...
(elf64_x86_64_info_to_howto): ... this function, and...
(elf64_x86_64_reloc_type_lookup): ... use it to map elf_reloc_val.
(GOT_TLS_GDESC, GOT_TLS_GD_BOTH_P): New macros.
(GOT_TLS_GD_P, GOT_TLS_GDESC_P, GOT_TLS_GD_ANY_P): New macros.
(struct elf64_x86_64_link_hash_entry): Add tlsdesc_got field.
(struct elf64_x86_64_obj_tdata): Add local_tlsdesc_gotent field.
(elf64_x86_64_local_tlsdesc_gotent): New macro.
(struct elf64_x86_64_link_hash_table): Add tlsdesc_plt,
tlsdesc_got and sgotplt_jump_table_size fields.
(elf64_x86_64_compute_jump_table_size): New macro.
(link_hash_newfunc): Initialize tlsdesc_got.
(elf64_x86_64_link_hash_table_create): Initialize new fields.
(elf64_x86_64_tls_transition): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(elf64_x86_64_check_relocs): Likewise.  Allocate space for
local_tlsdesc_gotent.
(elf64_x86_64_gc_sweep_hook): Handle R_X86_64_GOTPC32_TLSDESC and
R_X86_64_TLSDESC_CALL.
(allocate_dynrelocs): Count function PLT relocations.  Reserve
space for TLS descriptors and relocations.
(elf64_x86_64_size_dynamic_sections): Reserve space for TLS
descriptors and relocations.  Set up sgotplt_jump_table_size,
tlsdesc_plt and tlsdesc_got.  Make room for them.  Don't zero
reloc_count in srelplt.  Add dynamic entries for DT_TLSDESC_PLT
and DT_TLSDESC_GOT.
(elf64_x86_64_always_size_sections): New.  Set up
_TLS_MODULE_BASE_.
(elf64_x86_64_relocate_section): Handle R_386_TLS_GOTDESC and
R_386_TLS_DESC_CALL.
(elf64_x86_64_finish_dynamic_symbol): Use GOT_TLS_GD_ANY_P.
(elf64_x86_64_finish_dynamic_sections): Set DT_TLSDESC_PLT and
DT_TLSDESC_GOT.  Set up TLS descriptor lazy resolver PLT entry.
(elf_backend_always_size_sections): Define.
binutils/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* readelf.c (get_dynamic_type): Handle DT_TLSDESC_GOT and
DT_TLSDESC_PLT.
gas/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* config/tc-i386.c (tc_i386_fix_adjustable): Handle
BFD_RELOC_386_TLS_GOTDESC, BFD_RELOC_386_TLS_DESC_CALL,
BFD_RELOC_X86_64_GOTPC32_TLSDESC, BFD_RELOC_X86_64_TLSDESC_CALL.
(optimize_disp): Emit fix up for BFD_RELOC_386_TLS_DESC_CALL and
BFD_RELOC_X86_64_TLSDESC_CALL immediately, and clear the
displacement bits.
(build_modrm_byte): Set up zero modrm for TLS desc calls.
(lex_got): Handle @tlsdesc and @tlscall.
(md_apply_fix, tc_gen_reloc): Handle the new relocations.
ld/testsuite/ChangeLog:
Introduce TLS descriptors for i386 and x86_64.
* ld-i386/i386.exp: Run on x86_64-*-linux* and amd64-*-linux*.
Add new tests.
* ld-i386/pcrel16.d: Add -melf_i386.
* ld-i386/pcrel8.d: Likewise.
* ld-i386/tlsbindesc.dd: New.
* ld-i386/tlsbindesc.rd: New.
* ld-i386/tlsbindesc.s: New.
* ld-i386/tlsbindesc.sd: New.
* ld-i386/tlsbindesc.td: New.
* ld-i386/tlsdesc.dd: New.
* ld-i386/tlsdesc.rd: New.
* ld-i386/tlsdesc.s: New.
* ld-i386/tlsdesc.sd: New.
* ld-i386/tlsdesc.td: New.
* ld-i386/tlsgdesc.dd: New.
* ld-i386/tlsgdesc.rd: New.
* ld-i386/tlsgdesc.s: New.
* ld-x86-64/x86-64.exp: Run new tests.
* ld-x86-64/tlsbindesc.dd: New.
* ld-x86-64/tlsbindesc.rd: New.
* ld-x86-64/tlsbindesc.s: New.
* ld-x86-64/tlsbindesc.sd: New.
* ld-x86-64/tlsbindesc.td: New.
* ld-x86-64/tlsdesc.dd: New.
* ld-x86-64/tlsdesc.pd: New.
* ld-x86-64/tlsdesc.rd: New.
* ld-x86-64/tlsdesc.s: New.
* ld-x86-64/tlsdesc.sd: New.
* ld-x86-64/tlsdesc.td: New.
* ld-x86-64/tlsgdesc.dd: New.
* ld-x86-64/tlsgdesc.rd: New.
* ld-x86-64/tlsgdesc.s: New.

4 files changed, 28 insertions, 3 deletions

diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
index 372bef5..1bac01d 100644
--- a/include/elf/ChangeLog
+++ b/include/elf/ChangeLog
@@ -1,3 +1,12 @@
+2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
+
+	Introduce TLS descriptors for i386 and x86_64.
+	* common.h (DT_TLSDESC_GOT, DT_TLSDESC_PLT): New.
+	* i386.h (R_386_TLS_GOTDESC, R_386_TLS_DESC_CALL, R_386_TLS_DESC):
+	New.
+	* x86-64.h (R_X86_64_GOTPC32_TLSDESC, R_X86_64_TLSDESC_CALL,
+	R_X86_64_TLSDESC): New.
+
 2006-01-09  Mike Frysinger  <vapier@gentoo.org>:
 
 	* common.h (EM_ALTERA_NIOS2, EM_NIOS32) Define.
diff --git a/include/elf/common.h b/include/elf/common.h
index 0108c4f..350d63b 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -1,6 +1,6 @@
 /* ELF support for BFD.
    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-   2001, 2002, 2003, 2004
+   2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
 
    Written by Fred Fish @ Cygnus Support, from information published
@@ -576,6 +576,8 @@
 #define DT_VALRNGHI	0x6ffffdff
 
 #define DT_ADDRRNGLO	0x6ffffe00
+#define DT_TLSDESC_PLT	0x6ffffef6
+#define DT_TLSDESC_GOT	0x6ffffef7
 #define DT_GNU_CONFLICT	0x6ffffef8
 #define DT_GNU_LIBLIST	0x6ffffef9
 #define DT_CONFIG	0x6ffffefa
diff --git a/include/elf/i386.h b/include/elf/i386.h
index 5a4d330..e167871 100644
--- a/include/elf/i386.h
+++ b/include/elf/i386.h
@@ -1,5 +1,6 @@
 /* ix86 ELF support for BFD.
-   Copyright 1998, 1999, 2000, 2002, 2004 Free Software Foundation, Inc.
+   Copyright 1998, 1999, 2000, 2002, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
    This file is part of BFD, the Binary File Descriptor library.
 
@@ -61,6 +62,10 @@ START_RELOC_NUMBERS (elf_i386_reloc_type)
      RELOC_NUMBER (R_386_TLS_DTPMOD32, 35)
      RELOC_NUMBER (R_386_TLS_DTPOFF32, 36)
      RELOC_NUMBER (R_386_TLS_TPOFF32,  37)
+/* 38 */
+     RELOC_NUMBER (R_386_TLS_GOTDESC,  39)
+     RELOC_NUMBER (R_386_TLS_DESC_CALL,40)
+     RELOC_NUMBER (R_386_TLS_DESC,     41)
 
      /* Used by Intel.  */
      RELOC_NUMBER (R_386_USED_BY_INTEL_200, 200)
diff --git a/include/elf/x86-64.h b/include/elf/x86-64.h
index 309be6b..74655fb 100644
--- a/include/elf/x86-64.h
+++ b/include/elf/x86-64.h
@@ -1,5 +1,6 @@
 /* x86_64 ELF support for BFD.
-   Copyright (C) 2000, 2001, 2002, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001, 2002, 2004, 2005, 2006
+   Free Software Foundation, Inc.
    Contributed by Jan Hubicka <jh@suse.cz>
 
    This file is part of BFD, the Binary File Descriptor library.
@@ -53,6 +54,14 @@ START_RELOC_NUMBERS (elf_x86_64_reloc_type)
      RELOC_NUMBER (R_X86_64_GOTOFF64, 25)     /* 64 bit offset to GOT */
      RELOC_NUMBER (R_X86_64_GOTPC32,  26)     /* 32 bit signed pc relative
                                                  offset to GOT */
+     /* 27 .. 33 */
+     RELOC_NUMBER (R_X86_64_GOTPC32_TLSDESC, 34)
+					      /* 32 bit signed pc relative
+						 offset to TLS descriptor
+						 in the GOT.  */
+     RELOC_NUMBER (R_X86_64_TLSDESC_CALL, 35) /* Relaxable call through TLS
+						 descriptor.  */
+     RELOC_NUMBER (R_X86_64_TLSDESC, 36)      /* 2x64-bit TLS descriptor.  */
      RELOC_NUMBER (R_X86_64_GNU_VTINHERIT, 250)       /* GNU C++ hack  */
      RELOC_NUMBER (R_X86_64_GNU_VTENTRY, 251)         /* GNU C++ hack  */
 END_RELOC_NUMBERS (R_X86_64_max)